无法设置样式的工具提示 [英] cannot set tooltip in style
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问题描述
我进行了搜索,发现无法直接在setter.value中(在style.xaml文件中)设置工具提示.但是,我可以使用静态资源来设置工具提示.
I searched and find out I can't set the tooltip in setter.value directly (in a style.xaml file). However I can use static resource to set the tooltip.
我的问题是,由于我需要为工具提示提供动态文本,因此我不能使用静态资源.我该怎么办?
My question is, since I need to supply dynamic text for the tooltip, I can't use static resource. How should I do that?
这是我的例子.
<Style x:Key="ErrorStyleRadius" TargetType="{x:Type FrameworkElement}">
<Style.Triggers>
<MultiDataTrigger>
<MultiDataTrigger.Conditions>
<Condition Binding="{Binding (Validation.HasError), RelativeSource={RelativeSource Mode=Self}}" Value="True"/>
<Condition Binding="{Binding (Validation.Errors), RelativeSource={RelativeSource Mode=Self}, Converter={StaticResource IsError}}" Value="True"/>
</MultiDataTrigger.Conditions>
<MultiDataTrigger.Setters>
<Setter Property="ToolTip">
<Setter.Value>
<ToolTip>
<Label Content="{Binding somePropertyHere}"/>
</ToolTip>
</Setter.Value>
</Setter>
<Setter Property="Validation.ErrorTemplate" Value="{StaticResource ErrorControlTemplateRadiusError}"/>
</MultiDataTrigger.Setters>
</MultiDataTrigger>
<MultiDataTrigger>
<MultiDataTrigger.Conditions>
<Condition Binding="{Binding (Validation.HasError), RelativeSource={RelativeSource Mode=Self}}" Value="True"/>
<Condition Binding="{Binding (Validation.Errors), RelativeSource={RelativeSource Mode=Self}, Converter={StaticResource IsWarning}}" Value="True"/>
</MultiDataTrigger.Conditions>
<MultiDataTrigger.Setters>
<Setter Property="ToolTip" Value="{Binding RelativeSource={RelativeSource Self}, Path=(Validation.Errors), Converter={StaticResource ValMsg}}"/>
<Setter Property="Validation.ErrorTemplate" Value="{StaticResource ErrorControlTemplateRadiusWarning}"/>
</MultiDataTrigger.Setters>
</MultiDataTrigger>
</Style.Triggers>
</Style>
使用时,我可以用作
<textbox style={staticresource ErrorStyleRadius} text={bind name, validationOnDataError=true}/>
推荐答案
为什么不尝试这个-
<ToolTip x:Key="MyToolTip"
DataContext={Binding PlacementTarget, RelativeSource={RelativeSource Self}}>
<Label Content="{Binding Text}"/>
</ToolTip>
<Style x:Key="ErrorStyleRadius" TargetType="{x:Type FrameworkElement}">
<Style.Triggers>
<MultiDataTrigger>
<MultiDataTrigger.Conditions>
<Condition Binding="{Binding (Validation.HasError), RelativeSource={RelativeSource Mode=Self}}" Value="True"/>
<Condition Binding="{Binding (Validation.Errors), RelativeSource={RelativeSource Mode=Self}, Converter={StaticResource IsError}}" Value="True"/>
</MultiDataTrigger.Conditions>
<MultiDataTrigger.Setters>
<Setter Property="ToolTip" Value={StaticResource MyToolTip}>
</Setter>
<Setter Property="Validation.ErrorTemplate" Value="{StaticResource ErrorControlTemplateRadiusError}"/>
</MultiDataTrigger.Setters>
</MultiDataTrigger>
</Style.Triggers>
</Style>
您可以在StaticResource中指定属性名称.它将动态更新工具提示.
You can give the property name in StaticResource. It will update the tooltip dynamically.
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